<%@ page language="java" import="java.util.*,vo.*,dao.*,bean.*,java.sql.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>   
    <title>My JSP 'stunoValidate.jsp' starting page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->

  </head>
  
  <body>
    <jsp:useBean id="tdao" class="dao.TeacherDao"></jsp:useBean>
    <jsp:useBean id="tea" class="vo.Teacher"></jsp:useBean>
    <%String teano=request.getParameter("teano");
    if(null!=teano && !"".equals(teano)){
    	tea=tdao.getTeacherByTeano(teano);
    	if(null==tea){
    %>	
    	<jsp:forward page="addTeacherCheck.jsp"></jsp:forward>	
    <% 	}else{%>
    		<script type="text/javascript">
    			alert("该教师编号已存在，请重新输入！");
    			window.location.href="addTeacher.jsp";
    		</script>

    <% }
    }
     %>
  </body>
</html>
